Carton and discharge vent



Jly 9, 1935. n E, c, vlNcENT 2,007,553

CARTON AND DISCHARGE VENT Filed Sept. 12, 1934 fa. VAf' INVENTOR wlvTNEssEs v BY am @W :im

AUBRNEYS Patented July 9, 1935 CARTON AND' DISCHARGE VENT Edgar C. Vincent, New York, N. Y. Application September 12, 1934, Serial No. 743,646

10 Claims. (Cl. 22.1-11) The present invention relates to receptacles,

cartons and the like and, more particularly, to a discharge vent for such containers which in the closed position is adapted to form a closure and in the open position to form a pouring spout.

A general object of the invention is the provision of such adevice which can be easily manufactured, readily and efficiently operated, may be used with collapsible or foldable container blanks to allow their shipment in collapsed form when empty and insures a tight' seal 'for the container when the latter is filled with granu lated materials.

A more specific object of the invention is the provision of such a container and a discharge vent therefor which together may be folded fiat for shipment; the discharge vent when closed constituting a tight seal for granulated materials packaged therein with a sticker or the like secured thereover, is simple in construction avoiding the necessity of double carton walls, and can readily be operated to form an efcient pouring spout.

A further object of the invention is the provision of such a device in which the carton has a wall thereof severed to form an angular opening preferably a generally triangular opening such as an isosceles triangular opening fitted with a spout-forming closure blank hinged to the wall of the carton preferably by a ap formed during the severance and having a closure portion and 'a wing portion, the latter positioned in the opening in a manner so that in the closed position the closure blank may lie flat against the wall of the carton and may be swung Voutnvardly gradually to form a trough-shaped discharge spout.

Other objects of the invention will in part be obvious and will in part appear hereinafter.

The invention accordingly comprises the features of construction, combination of elements, and arrangement of parts, which will ber exemplied in the construction hereinafter set forth and the scope of the invention will be indicated inthe claims.

For a fuller understanding of the nature and objects of the invention reference should be had to the following detailed description taken in connection with the accompanying drawing, in

which: 1

Fig. 1 is a. perspective view of a portion of a carton provided with the discharge vent of the present invention;

Fig. 2 is a portion of -a front elevational View of a carton provided with the discharge vent of the present invention and withthe spout-forming closure partly in section and in the closed position;

Fig. 3 is a View similar to Fig. 2 showing the cover portion of the spout-forming closure;

Fig. 4 is a vertical sectional view taken on line 4 4 of Fig'. 3;

Fig. 5 is a transverse sectional view taken on line 5 5 of Fig. 4;

Fig. 6 is a vertical sectional view of -a portion of the carton and the spout-forming closure in open position;

Fig. 7 is a transverse sectional View taken on line 'I--1 of Fig. 6; and

Fig. 8 is a rear plan view of the spout-forming closure blank.

Referring to the drawing like numerals refer to like parts throughout. A collapsible receptacle or carton I Il of Well known type has one wall II thereof provided with an angular opening I2 preferably generally triangular. In the preferred form the angular opening I2 is in the shape of an isosceles triangle. However, .the invention contemplates the use of various shapes of openings, such as for example any triangular opening which is provided with an acute lower angle and also a generally triangular opening which may be in the shape of a sector of a circle. The opening I2 is formed by severance of the wall I I along two intersecting lines I3 and I4, to provide a flap I5 having a fold line I6 constituting one of the sides of the angular opening I2.

A spout-forming closure blank I8 formed of relatively stiff material such as that from which the carton is formed, consists of a cover portion I9 and a. wing portion 20. A fold line 2 I, preferably formed by scoring, defines portions I9 and 20. In the preferred form the portions I9 and 20, particularly the wing portion 29, are generallysector-shaped and the wing portion 20 is provided with projections V22' and 23 for purposes set forth below.

To insure efficient closure both the cover por-- tion I9 and the wing portion 20 are made larger than the opening I2 so that the cover portion I9 will overlap the carton` wall II at the top of the opening as is indicated in Figs. 3 and 4. A slot 24 in line with the side vIII of the opening I2 is formed in the carton wall II to receive the upper edge of the wing portion 20.

The spout-forming closure blank I8 is mounted in position by placing the wing portion 20 in the opening I2 and the cover portion I9 on the outside of the flap I5. 'I'he cover portion I9 is secured to the flap I5 in any suitable manner such as by an adhesive or the like. The upper edge of the wing portion 20 thus at all times remains mounted in the slot 24 ywith the projections 22 and 23 disposed to the rear of the carton wall il as is shown in Figs. 4 and 6. By Virtue of this construction with the spout forming closure blank inthe closed position, as depicted in Figs. 2, 3, 4 and 5, the carton may'be folded up without the wing portion 20 interfering in any manner with the folding of the collapsible carton nsince the wing portion 20 may be folded along the fold line 2| to lie substantially flat adjacent the rear face of the carton wall Ii, either extended or back' upon the flap i5.

With the carton i0 set up to receive granular materials such as foods, drugs and the like, the closure blank i8 is moved to the closed position as depicted in Fig. 3 and to insure a tightseal a stickenor the like is pasted thereover. Such cartons lled with granular materials may be shipped without danger of the discharge vent breaking open. When discharge of the contained granular materials is desired, the sticker or seal is readily broken and the closure swung outwardly to uncover the opening. As the closure is swung outwardly it gradually forms a troughshaped spout as shown in Figs. 1 and 7. By virtue of this structure it is not necessary to use a double wall carton and it will be seen that the structure is simple, easily manufactured and attains the objects set forth above in an efficient manner.

Since certain changes may be made in the above construction and different embodiments of the invention could be made without departing from the scope thereof, it is intended that all matter contained in the above description or shown in the accompanying drawing shall be interpreted as illustrative and not in a limiting sense.

yHaving described my invention, what I claim as new and desire to secure by Letters Patent, is:

1. In a carton a discharge vent comprising'in combination a wall of the carton severed to form therein a generally triangular opening and a flap having a fold line forming one side of an angle of the opening, a flat spout-forming closure larger than the opening secured to said flap and having a fold line substantially aligned with the side of the opening which forms a vertex with the side formed by said iiap fold line and a wing portion beyond said closure fold line positioned in the opening adjacentthe last mentioned side thereof, and means on said wing portion to limit its outward movement.

2. In a carton a discharge vent comprising in combination a wall of the carton severed to form therein a triangular opening having an acute lower angle and a flap having a fold line forming one side of the acute angle, a fiat spoutforming closure larger than the opening secured to said flap and having a fold line substantially aligned with the side of the opening which cooperates with said flap fold line to form the acute angle and a wing portion beyond said closure fold line positioned in the Opening adjacent the last mentioned side thereof, and means on said wing portion to limit its outward movement.

3. In a carton a discharge vent comprising in combination a wall of the carton severed to form therein an isosceles triangular opening and a flap having a fold line forming one of the equal sides of the triangular opening, a flat spout-forming closure larger than the opening secured to said nap and having a fold line substantially aligned with the other equal side of the opening opposite said flap fold line and a wing portion beyond said closure fold line positioned in the opening adjacent the last mentioned side thereof, and means on said wing portion to limit its outward movement.

4. In a carton a discharge vent comprising in combination a wall of the carton having therein a triangular opening fomed with an acute lower angle, a fiat spout-forming closure larger than the opening and hinged to said wall adjacent one side of the acute angle, said closure having a fold line substantially aligned with the other side of the acute angle of the opening and a wing portion beyond said fold line positioned in the opening adjacent the last mentioned side thereof, and means on said wing portion to limit its outward movement.

5. In a carton a discharge vent comprising in combination a wall of the carton severed to form therein an isosceles triangular opening with the vertex of the equal sides adapted to be located adjacent the bottom of a spout, and a flat spoutforming closure larger than the opening and hinged to said wall adjacent one of the equal sides of the opening, said closure comprising4 a blank having a cover portion for the opening, a wing portion, a fold line defining said portions and means on said wing portion to constitute a stop, said closure when in the closed position having said fold line substantially aligned with the other equal side of the opening and said wing portion positioned in the opening.

6. In a foldable carton a discharge vent comprising in combination a wall of the carton severed to form therein a generally triangular opening and a iiap having a fold line forming one side of an angle of the opening, said wall having a slot communicating with the opening and in line with the side of the opening which forms a vertex with the side formed by said flap fold line, and a flat spout-forming closure comprising a blank having a cover portion for the opening, a wing portion, a fold line defining said portions and a projection on said wing portion to constitute a stop, said cover portion being secured to said flap and said wing portion being positioned in the opening and the slot, said closure fold line being aligned with the slot and the side of the opening opposite said flap fold line when said closure is in-the closed position.

'7. In a carton a discharge vent comprising in combination a wall of the carton severed to form therein an isosceles triangular opening with the vertex of the equal sides adapted to be located adjacent the bottom of a spout and a ap having a fold line forming one of the equal sides, said wall having a slot communicating with the opening and in line with the other equal side of the opening, and a fiat spout-forming closure comprising a blank having a cover portion for the opening, a wing portion, a fold line defining said portions and a projectionv on said wing portion constituting a stop, said cover portion being secured to said flap and said wing portion being positioned in the opening and the slot, said closure fold line being aligned with the slot and the equal side of the opening opposite said flap fold line when said closure is in the closed-position.

8. In a foldable carton a discharge vent comprising in combination a wall of the carton having therein a triangular opening formed with an acute lower angle, said wall having a slot coinmunicating with the opening and in line with one side of the acute angle, and a at spout-forming closure comprising a blank having a cover portion for the opening, a generally. sector-shaped wing portion, a fold line deni-ng said portions and a projection on said wing portion to constitute a stop, said cover portion being hinged to said wall adjacent the other side ofthe acute angle and said wing portion-being positioned in the opening and the slot, said closure fold line being aligned with the slot and the iirst mentioned side of the opening when said closure is in the closed position.

iining said portions and located to be substantially aligned with the second equal side of the opening arid-a projection on said wing portion to constitute a stop,' said wing portionbeing positioned in the opening whereby the spout-forming closure can lie substantially flat against the carton wall when closed and be swung outwardly on said ap to draw the wing portion through the opening to form with the cover portion a troughshaped spout.

10. In a carton the combination of a carton wall severed to have an isosceles triangular openingtherein, a ap in the opening having a fold line forming one of the equal sides of the opening and a slot communicating with the opening and in line with the other equal side of the opening, and a spout-forming closure comprising a normally iiat blank of relatively stiff material having a cover portion secured to said ap, a generally sector-shaped wing portion, a fold line dening said portions and located to be substantially aligned with said second mentioned equal side of the opening and a projection on said wing portion to constitute a stop, said wing portionv being positioned in the opening and the slot whereby the spout-forming closure can lie substantially iiat against the carton wall when closed and be swung outwardly on said dap gradually to form a trough-shaped spout as said wing portion is drawn outwardly through the opening.

EDGAR c. "VINCENT, 25 

